Grade 6 May 19-22 Percents/Decimals, Fractions

Posted: May 19, 2020

1. Watch and practice using the link below. 

http://www.learnalberta.ca/content/mesg/html/math6web/index.html

 

2.Read through the notes and examples below.  

3.  Practice on thatquiz (***fractions must be in lowest terms)

4.  Textbook  p.187 has examples.  Practice p.188-189 Q.  1, 2,3,4,8,9,10,11,12,13

5.  Textbook p.191-2 has examples .  Practice p.192-193 (don't worry about using base ten blocks or shading hundredths grid) Q. 1-6 and 8-11

6.  There will also be a brainpop on percents for you to try.           https://www.brainpop.com/dashboard/assignments/23b5850d18a62404/periods/...

 

Percents are part to whole ratios where the second term is out of 100.   For example 34:100 means 34%.  Percents are used to easily compare ratios as the whole is the same (100). 

Percents, fractions, and decimals are all different ways to represent a part to whole relationship.   20 % = 0.20 = 20/100   Percents can be written as decimals by dividing by 100. (ex,  4% = 0.04) 

Decimals can be written as percents by multiplying by 100.  (ex.  0.9 = 90%) 

Percent can be written as fractions by using 100 as the denominator.  (ex.  36% = 36/100)  Usually fractions are written in lowest terms.  So 36/100 would be 9/25 after dividing the numerator and denominator by 4. 

Fractions can be written as percents by making an equivalent fraction out of 100.  ( ex.  3/4 = 75/100   multiply both numerator and denominator by 25.   75/100 then can be written as 75%  )